/* $OpenBSD: agpreg.h,v 1.2 2003/03/19 20:06:28 millert Exp $ */ /* $NetBSD: agpreg.h,v 1.1 2001/09/10 10:01:02 fvdl Exp $ */ /*- * Copyright (c) 2000 Doug Rabson * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD: src/sys/pci/agpreg.h,v 1.3 2000/07/12 10:13:04 dfr Exp $ */ #ifndef _PCI_AGPREG_H_ #define _PCI_AGPREG_H_ /* * Offsets for various AGP configuration registers. */ #define AGP_APBASE 0x10 /* * Offsets from the AGP Capability pointer. */ #define AGP_CAPID 0x02 #define AGP_CAPID_GET_MAJOR(x) (((x) & 0x00f00000U) >> 20) #define AGP_CAPID_GET_MINOR(x) (((x) & 0x000f0000U) >> 16) #define AGP_CAPID_GET_NEXT_PTR(x) (((x) & 0x0000ff00U) >> 8) #define AGP_CAPID_GET_CAP_ID(x) (((x) & 0x000000ffU) >> 0) #define AGP_STATUS 0x4 #define AGP_COMMAND 0x8 /* * Config offsets for Intel AGP chipsets. */ #define AGP_INTEL_NBXCFG 0x50 #define AGP_INTEL_STS 0x90 #define AGP_INTEL_AGPCTRL 0xb0 #define AGP_INTEL_APSIZE 0xb4 #define AGP_INTEL_ATTBASE 0xb8 /* * Config offsets for VIA AGP chipsets. */ #define AGP_VIA_GARTCTRL 0x80 #define AGP_VIA_APSIZE 0x84 #define AGP_VIA_ATTBASE 0x88 /* * Config offsets for SiS AGP chipsets. */ #define AGP_SIS_ATTBASE 0x90 #define AGP_SIS_WINCTRL 0x94 #define AGP_SIS_TLBCTRL 0x97 #define AGP_SIS_TLBFLUSH 0x98 /* * Config offsets for Ali AGP chipsets. */ #define AGP_ALI_AGPCTRL 0xb8 #define AGP_ALI_ATTBASE 0xbc #define AGP_ALI_TLBCTRL 0xc0 /* * Config offsets for the AMD 751 chipset. */ #define AGP_AMD751_REGISTERS 0x14 #define AGP_AMD751_APCTRL 0xac #define AGP_AMD751_MODECTRL 0xb0 #define AGP_AMD751_MODECTRL_SYNEN 0x80 #define AGP_AMD751_MODECTRL2 0xb2 #define AGP_AMD751_MODECTRL2_G1LM 0x01 #define AGP_AMD751_MODECTRL2_GPDCE 0x02 #define AGP_AMD751_MODECTRL2_NGSE 0x08 /* * Memory mapped register offsets for AMD 751 chipset. */ #define AGP_AMD751_CAPS 0x00 #define AGP_AMD751_CAPS_EHI 0x0800 #define AGP_AMD751_CAPS_P2P 0x0400 #define AGP_AMD751_CAPS_MPC 0x0200 #define AGP_AMD751_CAPS_VBE 0x0100 #define AGP_AMD751_CAPS_REV 0x00ff #define AGP_AMD751_STATUS 0x02 #define AGP_AMD751_STATUS_P2PS 0x0800 #define AGP_AMD751_STATUS_GCS 0x0400 #define AGP_AMD751_STATUS_MPS 0x0200 #define AGP_AMD751_STATUS_VBES 0x0100 #define AGP_AMD751_STATUS_P2PE 0x0008 #define AGP_AMD751_STATUS_GCE 0x0004 #define AGP_AMD751_STATUS_VBEE 0x0001 #define AGP_AMD751_ATTBASE 0x04 #define AGP_AMD751_TLBCTRL 0x0c /* * Config registers for i810 device 0 */ #define AGP_I810_SMRAM 0x70 #define AGP_I810_SMRAM_GMS 0xc0 #define AGP_I810_SMRAM_GMS_DISABLED 0x00 #define AGP_I810_SMRAM_GMS_ENABLED_0 0x40 #define AGP_I810_SMRAM_GMS_ENABLED_512 0x80 #define AGP_I810_SMRAM_GMS_ENABLED_1024 0xc0 #define AGP_I810_MISCC 0x72 #define AGP_I810_MISCC_WINSIZE 0x0001 #define AGP_I810_MISCC_WINSIZE_64 0x0000 #define AGP_I810_MISCC_WINSIZE_32 0x0001 #define AGP_I810_MISCC_PLCK 0x0008 #define AGP_I810_MISCC_PLCK_UNLOCKED 0x0000 #define AGP_I810_MISCC_PLCK_LOCKED 0x0008 #define AGP_I810_MISCC_WPTC 0x0030 #define AGP_I810_MISCC_WPTC_NOLIMIT 0x0000 #define AGP_I810_MISCC_WPTC_62 0x0010 #define AGP_I810_MISCC_WPTC_50 0x0020 #define AGP_I810_MISCC_WPTC_37 0x0030 #define AGP_I810_MISCC_RPTC 0x00c0 #define AGP_I810_MISCC_RPTC_NOLIMIT 0x0000 #define AGP_I810_MISCC_RPTC_62 0x0040 #define AGP_I810_MISCC_RPTC_50 0x0080 #define AGP_I810_MISCC_RPTC_37 0x00c0 /* * Config registers for i810 device 1 */ #define AGP_I810_GMADR 0x10 #define AGP_I810_MMADR 0x14 /* * Memory mapped register offsets for i810 chipset. */ #define AGP_I810_PGTBL_CTL 0x2020 #define AGP_I810_DRT 0x3000 #define AGP_I810_DRT_UNPOPULATED 0x00 #define AGP_I810_DRT_POPULATED 0x01 #define AGP_I810_GTT 0x10000 /* * Config registers for i830MG device 0 */ #define AGP_I830_GCC0 0x50 #define AGP_I830_GCC1 0x52 #define AGP_I830_GCC1_DEV2 0x08 #define AGP_I830_GCC1_DEV2_ENABLED 0x00 #define AGP_I830_GCC1_DEV2_DISABLED 0x08 #define AGP_I830_GCC1_GMS 0x70 #define AGP_I830_GCC1_GMS_STOLEN_512 0x20 #define AGP_I830_GCC1_GMS_STOLEN_1024 0x30 #define AGP_I830_GCC1_GMS_STOLEN_8192 0x40 #define AGP_I830_GCC1_GMASIZE 0x01 #define AGP_I830_GCC1_GMASIZE_64 0x01 #define AGP_I830_GCC1_GMASIZE_128 0x00 #endif /* !_PCI_AGPREG_H_ */